<!DOCTYPE html>
<html>
<head>
	<meta charset="utf-8">
	<meta name="viewport" content="width=device-width, initial-scale=1">
	<title></title>
	<style type="text/css">
		*{
			margin: 0;
			padding: 0;
		}
		.box{
			width: 1000px;
			margin: 0 auto;
			text-align: center;
		}
		.only a{
			text-decoration: none;
			color: #777;
		}
		.two{
			position: relative;
/*			display: inline-block;*/
		}
		.only a:hover{
			color: red;
			text-decoration: underline;
		}
		.therr{
			width: 300px;
			height: 150px;
/*			background-color: red;*/
			background-image: url("../image/2.jpg");
			background-size: contain;
			position: absolute;
			bottom: -150px;
			left:50%;
			display: none;
			margin-left: -150px;
		}
		.two:hover .therr{
			display: block;
		}
	</style>
</head>
<body>
	<div class="box">
		<div class="only">
			<a href="https://www.tmall.hk/" class="two">手机版
			<div class="therr"></div>
			</a>
			<a href="">淘宝网</a>
			<a href="">网页无障碍</a>
		</div>
		
	</div>

</body>
</html>